CVE-2022-34912 Information

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Description

An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title used on Special:Contributions is used as page title without escaping. Hence in a non-default configuration where a username contains HTML entities it won’t be escaped.

Reference

https://phabricator.wikimedia.org/T308473